From f215e02bf85f68d3a6106c2a1f4f7f063f819064 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Thu, 11 Apr 2024 10:17:27 +0200 Subject: Adding upstream version 7.0.14-dfsg. Signed-off-by: Daniel Baumann --- src/VBox/Runtime/common/asm/ASMGetIdtrLimit.asm | 58 +++++++++++++++++++++++++ 1 file changed, 58 insertions(+) create mode 100644 src/VBox/Runtime/common/asm/ASMGetIdtrLimit.asm (limited to 'src/VBox/Runtime/common/asm/ASMGetIdtrLimit.asm') diff --git a/src/VBox/Runtime/common/asm/ASMGetIdtrLimit.asm b/src/VBox/Runtime/common/asm/ASMGetIdtrLimit.asm new file mode 100644 index 00000000..7f4fb55e --- /dev/null +++ b/src/VBox/Runtime/common/asm/ASMGetIdtrLimit.asm @@ -0,0 +1,58 @@ +; $Id: ASMGetIdtrLimit.asm $ +;; @file +; IPRT - ASMGetIdtrLimit(). +; + +; +; Copyright (C) 2006-2023 Oracle and/or its affiliates. +; +; This file is part of VirtualBox base platform packages, as +; available from https://www.virtualbox.org. +; +; This program is free software; you can redistribute it and/or +; modify it under the terms of the GNU General Public License +; as published by the Free Software Foundation, in version 3 of the +; License. +; +; This program is distributed in the hope that it will be useful, but +; WITHOUT ANY WARRANTY; without even the implied warranty of +; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +; General Public License for more details. +; +; You should have received a copy of the GNU General Public License +; along with this program; if not, see . +; +; The contents of this file may alternatively be used under the terms +; of the Common Development and Distribution License Version 1.0 +; (CDDL), a copy of it is provided in the "COPYING.CDDL" file included +; in the VirtualBox distribution, in which case the provisions of the +; CDDL are applicable instead of those of the GPL. +; +; You may elect to license modified versions of this file under the +; terms and conditions of either the GPL or the CDDL or both. +; +; SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0 +; + +;******************************************************************************* +;* Header Files * +;******************************************************************************* +%define RT_ASM_WITH_SEH64 +%include "iprt/asmdefs.mac" + +BEGINCODE + +;; +; Gets the content of the IDTR CPU register. +; @returns IDTR.LIMIT in ax +; +RT_BEGINPROC ASMGetIdtrLimit + sub xSP, 18h + SEH64_ALLOCATE_STACK 18h +SEH64_END_PROLOGUE + sidt [xSP + 6] + mov ax, [xSP + 6] + add xSP, 18h + ret +ENDPROC ASMGetIdtrLimit + -- cgit v1.2.3